InChI=1S/C22H22O15S/c1-34-21-15(6-35-38(31,32)33)37-22(20(30)19(21)29)17-12(27)5-14-16(18(17)28)11(26)4-13(36-14)7-2-9(24)10(25)3-8(7)23/h2-5,15,19-25,27-30H,6H2,1H3,(H,31,32,33)